780438035343 has 8 divisors (see below), whose sum is σ = 1054838623408. Its totient is φ = 513164735424.

The previous prime is 780438035317. The next prime is 780438035347. The reversal of 780438035343 is 343530834087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 780438035343 - 2²⁸ = 780169599887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780438035292 and 780438035301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780438035347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781821780 + ... + 1781822217.

It is an arithmetic number, because the mean of its divisors is an integer number (131854827926).

Almost surely, 2^780438035343 is an apocalyptic number.

780438035343 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

780438035343 is a deficient number, since it is larger than the sum of its proper divisors (274400588065).

780438035343 is a wasteful number, since it uses less digits than its factorization.

780438035343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563644073.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 780438035343 in words is "seven hundred eighty billion, four hundred thirty-eight million, thirty-five thousand, three hundred forty-three".